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Finding the Fourth Proportional to 634,501.28, 875,607.00 and 348,019.34

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Solution

The fourth proportional to 634,501.28, 875,607.00 and 348,019.34 is: 480,264.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,501.28 : 875,607.00 = 348,019.34 : x
  2. Step 2: Convert to fraction form
    634,501.28/875,607.00 = 348,019.34/x
  3. Step 3: Cross multiply
    634,501.28x = 875,607.00 × 348,019.34
  4. Step 4: Simplify right side
    634,501.28x = 304,728,164,556.27
  5. Step 5: Solve for x
    x = 304,728,164,556.27/634,501.28
  6. Step 6: Final answer
    x = 480,264.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.